#ifndef _OBSERVABLE_H_
#define _OBSERVABLE_H_

#include "..\controller\PropertyChangeListener.h"

namespace sdl
{
class PropertyChangeListener;
class Observable
{
public:
	Observable(void);
	virtual ~Observable(void);
	virtual void addPropertyChangeListener(PropertyChangeListener*)=0;
	virtual void notifyListener(void)=0;
};
};

#endif
